kernel/linux.git/drivers/gpu/drm/msm/msm_submitqueue.c, branch v7.0-rc7

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

drm/msm/adreno: Disable IFPC when sysprof is active

2025-09-08T14:25:00+00:00

Moving to IFPC state clears the 'Perfcounter Select' register setup by the userspace. So, lets block the IFPC when sysprof is active by using the perfcounter oob signal to the GMU. Signed-off-by: Akhil P Oommen Patchwork: https://patchwork.freedesktop.org/patch/673380/ Signed-off-by: Rob Clark

drm/msm: Add VM_BIND submitqueue

2025-07-05T00:48:37+00:00

This submitqueue type isn't tied to a hw ringbuffer, but instead executes on the CPU for performing async VM_BIND ops. Signed-off-by: Rob Clark Signed-off-by: Rob Clark Tested-by: Antonino Maniscalco Reviewed-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/661517/

drm/msm: Use drm_gpuvm types more

2025-07-05T00:48:35+00:00

Most of the driver code doesn't need to reach in to msm specific fields, so just use the drm_gpuvm/drm_gpuva types directly. This should hopefully improve commonality with other drivers and make the code easier to understand. Signed-off-by: Rob Clark Signed-off-by: Rob Clark Tested-by: Antonino Maniscalco Reviewed-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/661483/

drm/msm: Rename msm_gem_address_space -> msm_gem_vm

2025-07-04T18:09:44+00:00

Re-aligning naming to better match drm_gpuvm terminology will make things less confusing at the end of the drm_gpuvm conversion. This is just rename churn, no functional change. Signed-off-by: Rob Clark Reviewed-by: Dmitry Baryshkov Signed-off-by: Rob Clark Tested-by: Antonino Maniscalco Reviewed-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/661466/

drm/msm: Rename msm_file_private -> msm_context

2025-07-04T18:09:44+00:00

This is a more descriptive name. Signed-off-by: Rob Clark Reviewed-by: Dmitry Baryshkov Signed-off-by: Rob Clark Tested-by: Antonino Maniscalco Reviewed-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/661459/

drm/msm: UAPI error reporting

2025-01-03T15:20:28+00:00

Debugging incorrect UAPI usage tends to be a bit painful, so add a helper macro to make it easier to add debug logging which can be enabled at runtime via drm.debug. Signed-off-by: Rob Clark Reviewed-by: Akhil P Oommen Patchwork: https://patchwork.freedesktop.org/patch/630578/

drm/msm/a6xx: Enable preemption for tested a7xx targets

2024-10-03T20:21:52+00:00

Initialize with 4 rings to enable preemption. Add the "preemption_enabled" module parameter to override this. Tested-by: Rob Clark Tested-by: Neil Armstrong # on SM8650-QRD Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Neil Armstrong # on SM8450-HDK Signed-off-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/618029/ Signed-off-by: Rob Clark

drm/msm/a6xx: Add a flag to allow preemption to submitqueue_create

2024-10-03T20:21:52+00:00

Some userspace changes are necessary so add a flag for userspace to advertise support for preemption when creating the submitqueue. When this flag is not set preemption will not be allowed in the middle of the submitted IBs therefore mantaining compatibility with older userspace. The flag is rejected if preemption is not supported on the target, this allows userspace to know whether preemption is supported. Tested-by: Rob Clark Tested-by: Neil Armstrong # on SM8650-QRD Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Neil Armstrong # on SM8450-HDK Signed-off-by: Antonino Maniscalco Patchwork: https://patchwork.freedesktop.org/patch/618028/ Signed-off-by: Rob Clark